Therapy instrument



FIG. 1 is a bottom view of a therapy instrument showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof; the right side view is a mirror image thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a therapy instrument, as shown and described. 